中国科学院数学与系统科学研究院期刊网
Triple-Sampling for Ratio Estimation with Double-sampling the Non-Responents
YANG Guijun, LI Xiaofeng, WANG Qing
Acta Mathematicae Applicatae Sinica . 2015, (2): 366 -377 .  DOI: 10.12387/C2015035